| /* Dynamic architecture support for GDB, the GNU debugger. |
| Copyright 1998-2000, Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef GDBARCH_UTILS_H |
| #define GDBARCH_UTILS_H |
| |
| /* gdbarch trace variable */ |
| extern int gdbarch_debug; |
| |
| /* Fallback for register convertible. */ |
| extern gdbarch_register_convertible_ftype generic_register_convertible_not; |
| |
| /* Helper function for targets that don't know how my arguments are |
| being passed */ |
| extern gdbarch_frame_num_args_ftype frame_num_args_unknown; |
| |
| /* Implementation of breakpoint from PC using any of the deprecated |
| macros BREAKPOINT, LITTLE_BREAKPOINT, BIG_BREAPOINT. For legacy |
| targets that don't yet implement their own breakpoint_from_pc(). */ |
| extern gdbarch_breakpoint_from_pc_ftype legacy_breakpoint_from_pc; |
| |
| /* Frameless functions not identifable. */ |
| extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not; |
| |
| /* Only structures, unions, and arrays are returned using the struct |
| convention. Note that arrays are never passed by value in the C |
| language family, so that case is irrelevant for C. */ |
| extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not; |
| |
| /* Map onto old REGISTER_NAMES. */ |
| extern char *legacy_register_name (int i); |
| |
| /* Backward compatible call_dummy_words. */ |
| extern LONGEST legacy_call_dummy_words[]; |
| extern int legacy_sizeof_call_dummy_words; |
| |
| /* Typical remote_translate_xfer_address */ |
| extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; |
| |
| /* Generic implementation of prologue_frameless_p. Just calls |
| SKIP_PROLOG and checks the return value to see if it actually |
| changed. */ |
| extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p; |
| |
| /* The only possible cases for inner_than. */ |
| extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); |
| extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); |
| |
| /* Floating point values. */ |
| extern const struct floatformat *default_float_format (struct gdbarch *gdbarch); |
| extern const struct floatformat *default_double_format (struct gdbarch *gdbarch); |
| |
| /* Helper function for targets that don't know how my arguments are |
| being passed */ |
| extern int frame_num_args_unknown (struct frame_info *fi); |
| |
| |
| /* The following DEPRECATED interfaces are for pre- multi-arch legacy |
| targets. */ |
| |
| /* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic |
| target-system-dependant parameters based on bfd_architecture and |
| machine. This function is deprecated, use |
| set_gdbarch_from_arch_machine(). */ |
| |
| extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); |
| |
| /* DEPRECATED pre- multi-arch interface. Notify the target dependant |
| backend of a change to the selected architecture. A zero return |
| status indicates that the target did not like the change. */ |
| |
| extern int (*target_architecture_hook) (const struct bfd_arch_info *); |
| |
| #endif |